09-18-2009 08:29 AM - edited 03-11-2019 09:17 AM
Hi,
I have a question about ASA in transparent mode. Would it be possible to deploy ASA in transparent mode with 2 different VLANs but only 1 subnet as attached file? I would like to deploy like this because there are 2 core switches and also 2 server farm switches which is full mesh connected. So, it might be better if it is possible to use just 2 ASA instead of 4.
Please let me know if I misunderstood anything.
Thanks,
Nitass
09-18-2009 10:08 AM
Nitass
"Would it be possible to deploy ASA in transparent mode with 2 different VLANs but only 1 subnet as attached file?"
Yes, in fact that is the recommended way to deploy a transparent firewall. You need the same IP subnet because it is a L2 firewall not L3. But you have to use 2 vlans to avoid STP issues ie. if you only used 1 vlan you would get a L2 loop.
Jon
09-19-2009 03:25 AM
Jon,
Thank you very much but I am so sorry I could not catch you. Have you had a look my diagram? Would you mind explaining me a little bit more?
Thanks,
Nitass
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